. >> long serving texas congressman ron paul decided not to seek re-election to focus on white house bid is one of several high profile members of congress that will retire this year. >> government gets bigger, the liberties are diminishing. >> barney frank and burton from the house, jon kyl, kay bailey hutchison, lieberman and nelson join members of the house and senate hanging up the congressional careers. 2012 also marked a milestone in implementation of president obama's healthcare law. in the 5-4 decision in june, the u.s. supreme court ruled a major crux of obamacare, the individual mandate is indeed constitutional. >> happy and pleased to put the supreme court ahead of partisanship. >> against the federal government that claimed map dated was violate of freedom. >> the republicans won't let up so what ever to repeal the terrible law. >> justices heard arguments from both sides and record-setting three-day hearing in march. at the time, it was unclear which way they were leaning. >> do you not have a heavy burden of justification to show authorization under the constitution? >>